JPH0417546A - Manufacture of heat-radiating fin and electric heater with heat-radiating fin - Google Patents
Manufacture of heat-radiating fin and electric heater with heat-radiating finInfo
- Publication number
- JPH0417546A JPH0417546A JP11751690A JP11751690A JPH0417546A JP H0417546 A JPH0417546 A JP H0417546A JP 11751690 A JP11751690 A JP 11751690A JP 11751690 A JP11751690 A JP 11751690A JP H0417546 A JPH0417546 A JP H0417546A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- fin
- heat dissipation
- receiving part
- holding plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims description 44
- 230000005855 radiation Effects 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000010445 mica Substances 0.000 description 5
- 229910052618 mica group Inorganic materials 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 229910000680 Aluminized steel Inorganic materials 0.000 description 2
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
- Electric Stoves And Ranges (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、電気暖房器等に使用する放熱フィンの製造方
法及び放熱フィン付き電気ヒータに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for manufacturing radiation fins used in electric heaters and the like, and to an electric heater with radiation fins.
［従来の技術］
第６図（ａ）は一部を断面で示した従来の放熱フィン付
き電気ヒータの斜視図、（ｂ）はそのヒータ部分の斜視
図である。図において、（２１）はヒータで、平板状の
マイカよりなる心マイカにヒータ線（２２）を巻回して
その両面を絶縁板で挟持し、さらに金属板からなる第１
の保持板（２３）と第２の保持板（２４）により保持し
、第１の保持板（２３）の両側を折曲げてこれらを一体
に結合したものである。[Prior Art] FIG. 6(a) is a perspective view of a conventional electric heater with radiation fins, partially shown in cross section, and FIG. 6(b) is a perspective view of the heater portion thereof. In the figure, (21) is a heater, in which a heater wire (22) is wound around a core mica made of flat mica, and both sides of the heater wire (22) are sandwiched between insulating plates.
It is held by a holding plate (23) and a second holding plate (24), and both sides of the first holding plate (23) are bent to join these together.
（２５） 、 （２５ａ）はヒータ線（２２）に給電す
るためのリード線で、ヒータ（２１）の両側又は一端に
設けられている。(25) and (25a) are lead wires for feeding power to the heater wire (22), which are provided on both sides or one end of the heater (21).
（２Ｂ）はアルミニウム板等からなる複数の放熱フィン
で、中央部にはヒータ（２１）に圧入される押出部（２
７）と、リード線（２５）又は（２５ａ）を逃げる切欠
部（２８）とが設けられている。この放熱フィン（２６
）はその押出部（２７）がヒータ（２Ｉ）の一端より１
枚ずつ順次圧入され、はぼ等しいピッチでヒータ（２１
）に固定したものである。(2B) is a plurality of heat dissipation fins made of aluminum plates, etc., and the central part has an extruded part (2B) that is press-fitted into the heater (21).
7) and a cutout (28) for allowing the lead wire (25) or (25a) to escape. This heat radiation fin (26
), the extrusion part (27) is 1 from one end of the heater (2I).
The heaters (21
).
［発明が解決しようとする課題］
上記のように構成した従来の放熱フィン付き電気ヒータ
は、次のような問題があった。[Problems to be Solved by the Invention] The conventional electric heater with radiation fins configured as described above has the following problems.
（１）ヒータ線（２２）で発生した熱は、第１．第２の
保持板（２１）、 （２４）を介して放熱フィン（２
８）に伝えられるため、熱伝導ロスが生じて有効な放熱
が行なわれない。(1) The heat generated by the heater wire (22) is transferred to the first. The heat dissipation fins (2
8), heat conduction loss occurs and effective heat dissipation is not performed.
（２）放熱フィン（２６）は薄板で製作されることが多
く、押出部（２７）の高さ（ａ）をあまり大きくするこ
とができない。このためヒータ（２１）の長手方向から
１枚ずつ押入する際、放熱フィン（２Ｂ）に倒れを生ず
ることがあり、圧入作業が面倒である。(2) The radiation fins (26) are often made of thin plates, and the height (a) of the extruded portion (27) cannot be made very large. For this reason, when inserting the heater (21) one by one from the longitudinal direction, the radiation fins (2B) may fall down, making the press-fitting work troublesome.
（３）上述のように放熱フィン（２６）の高さ（ａ）が
小さく、その上リード線（２５）を逃げるための切欠部
（２８）が設けられているので、ヒータ（２１）に対す
る放熱フィン（２Ｂ）の接触面が少ない。また、長期間
使用しているとヒータ（２１）と放熱フィン（２６）の
押ａ部（２７）との間に熱膨脹の差による間隙が生じる
ことがあり、何れもヒータ（１）の熱を放熱フィン（２
６）に有効に伝導できない。(3) As mentioned above, the height (a) of the heat dissipation fin (26) is small, and the notch (28) is provided for escaping the lead wire (25), so heat is dissipated from the heater (21). The contact surface of the fin (2B) is small. In addition, when used for a long period of time, a gap may occur between the heater (21) and the pressed part (27) of the heat dissipation fin (26) due to the difference in thermal expansion. Heat dissipation fins (2
6) cannot be conducted effectively.
（４）さらに、ヒータ（１）に対して放熱フィン（２６
）を１枚ずつ圧入するための装置が複雑になり、しかも
作業に時間がかかるためコスト高になる。(4) Furthermore, the heat dissipation fins (26
) The equipment for press-fitting the sheets one by one becomes complicated, and the work is time-consuming, resulting in high costs.
本発明は上記の課題を解決すべくなされたもので、製作
が容易で放熱効率が高く、しかもコストを低減できる放
熱フィンの製造方法及び放熱フィン付き電気ヒータを得
ることを目的としたものである。The present invention has been made to solve the above problems, and aims to provide a method for manufacturing a radiation fin that is easy to manufacture, has high heat radiation efficiency, and can reduce costs, and an electric heater with radiation fins. .
［課題を解決するための手段］
本発明に係る放熱フィンの製造方法は、熱伝導の良好な
金属板にミシン目を設け、このミシン目に沿って折曲げ
加工して平坦な受熱部とこれから突出した放熱部とを交
互にかつ連続して形成し、前期放熱部を保持板のスリッ
ト穴に圧入したものである。[Means for Solving the Problems] A method for manufacturing a heat dissipation fin according to the present invention is to provide a metal plate with good heat conduction with perforations, and to bend the metal plate along the perforations to form a flat heat receiving part. The protruding heat radiating parts are formed alternately and continuously, and the first heat radiating parts are press-fitted into the slit holes of the holding plate.
また、熱伝導の良好な金属材料によりほぼＬ字状に形成
して平坦な受熱部とこれから突出した放熱部を設けると
共に、受熱部の上下に凸部と凹部を設けて単位フィンを
構成し、この単位フィンの凸部を隣接する単位フィンの
凹部に順次嵌合して連続した放熱フィンを構成し、この
放熱フィンの放熱部を保持板のスリット穴に圧入したも
のである。Further, the unit fin is formed by forming a metal material with good heat conduction into a substantially L-shape, and providing a flat heat receiving part and a heat radiating part protruding from the flat heat receiving part, and providing a convex part and a concave part above and below the heat receiving part, The convex portions of the unit fins are successively fitted into the concave portions of adjacent unit fins to form a continuous heat dissipation fin, and the heat dissipation portion of the heat dissipation fin is press-fitted into the slit hole of the holding plate.
さらに、本発明に係る放熱フィン付き電気ヒータは、ヒ
ータと、平坦な受熱部とこれから突出した放熱部とが交
互に形成された放熱フィンと、放熱フィンの放熱部が圧
入されるスリット穴が設けられた一対の保持板とを有し
、これら保持板のスリット穴に放熱フィンの放熱部を圧
入し、放熱フィンの受熱部でヒータを挟持してこれらを
一体に結合したものである。Further, the electric heater with heat dissipation fins according to the present invention includes a heater, a heat dissipation fin in which a flat heat receiving part and a heat dissipation part protruding from the heat dissipation part are alternately formed, and a slit hole into which the heat dissipation part of the heat dissipation fin is press-fitted. The heat dissipating part of the heat dissipating fin is press-fitted into the slit hole of these retaining plates, and the heater is sandwiched between the heat receiving part of the heat dissipating fin, thereby joining them together.
［作 用］
本発明に係る放熱フィン付き電気ヒータにおいては、ヒ
ータからの熱はほぼ全面がヒータの表面に接触する放熱
フィンの受熱部を経て放熱部に伝導し、放熱部から効率
よく放熱される。[Function] In the electric heater with radiation fins according to the present invention, heat from the heater is conducted to the heat radiation part through the heat receiving part of the radiation fin whose almost entire surface is in contact with the surface of the heater, and the heat is efficiently radiated from the heat radiation part. Ru.
［発明の実施例］
第１は一部を切除して示した本発明実施例の斜視図、第
２図はその分解斜視図、第３図は保持板と放熱フィンと
の関係を示す断面図、第４図（ａ）は放熱フィンの加工
前の状態を示す平面図、（ｂ）は加工後の状態を示す斜
視図である。[Embodiments of the Invention] The first is a partially cutaway perspective view of an embodiment of the present invention, the second is an exploded perspective view thereof, and the third is a cross-sectional view showing the relationship between a retaining plate and a radiation fin. 4(a) is a plan view showing the state of the radiation fin before processing, and FIG. 4(b) is a perspective view showing the state after processing.
図において、（１）は平板状のヒータで、心マイカ（２
）に発熱線（３）を巻付けて両面に絶縁マイカ（４）
、 （４ａ）を圧着したものである。（８）はアルミニ
ラム板等からなる放熱フィンであり、ヒータ等の熱源か
らの熱を受ける受熱部（７）と放熱部（８）とからなり
、放熱部（８）のつけ根部の寸法ρ１は、第３図、第４
図に示すように後述の保持板（１０）。In the figure, (1) is a flat heater, with mica core (2
) with heating wire (3) wrapped around it and insulated mica (4) on both sides.
, (4a) is crimped. (8) is a heat dissipation fin made of an aluminum plate or the like, and consists of a heat receiving part (7) that receives heat from a heat source such as a heater, and a heat dissipation part (8), and the dimension ρ1 of the base of the heat dissipation part (8) is , Fig. 3, Fig. 4
As shown in the figure, a retaining plate (10), which will be described later.
（１２）に設けたスリット穴（１３）の寸法ρ３に対し
て圧着関係となるように設定されている。また、放熱部
（８）の先端部の寸法Ω２はスリット穴（１３）に挿入
し易いように上記ｇ３より若干小さく選ばれている。The slit hole (13) provided in (12) is set in a pressure-bonding relationship with respect to the dimension ρ3. Further, the dimension Ω2 of the tip of the heat dissipating part (8) is selected to be slightly smaller than the above-mentioned g3 so that it can be easily inserted into the slit hole (13).
この放熱フィン（６）は、第４図（ａ）に示すように幅
Ω１のアルミニウム等の素材平板（６ａ）に、放熱部（
８）の先端部の山折部、受熱部（７）の谷折部にそれぞ
れ折曲げに必要なミシン目（６ｂ） 、 （６ｃ）を設
け、このミシン目（８ｂ） 、 （６ｃ）に沿って折曲
げ成型して構成したものである。なお、この素材平板（
６ａ）に放熱部（８）の先端部寸法をΩ２とするための
、角度αの切欠を設けておけば、折曲げ加工後先端部の
寸法が自動的にｐ２になるので、加工が容易である。As shown in FIG. 4(a), this heat dissipation fin (6) has a heat dissipation portion (
Perforations (6b) and (6c) necessary for bending are provided in the mountain fold part of the tip of 8) and the valley fold part of the heat receiving part (7), respectively, and along these perforations (8b) and (6c), It is constructed by bending and molding. In addition, this material flat plate (
If a notch with an angle α is provided in 6a) to make the tip size of the heat dissipation part (8) Ω2, the size of the tip will automatically become p2 after bending, making processing easier. be.
（１０）はアルミメツキ鋼板等からなる第１の保持板で
、放熱フィン（６）の放熱部（８）のピッチと同じピッ
チで長手寸法ｆＩ３の複数のスリット穴（１３）が設け
られており、その上下は内側に折曲げられて折曲部（１
１）、（ｌｌａ）が形成されている。（１２）はアルミ
メツキ鋼板等からなる第２の保持板で、同様にスリット
穴（１３）が設けられている。(10) is a first holding plate made of an aluminized steel plate or the like, and is provided with a plurality of slit holes (13) having a longitudinal dimension fI3 at the same pitch as the heat dissipation part (8) of the heat dissipation fin (6); The top and bottom are bent inward to form a bent part (1
1), (lla) are formed. (12) is a second holding plate made of an aluminized steel plate or the like, and is similarly provided with slit holes (13).
次に、上記のように構成した本発明の組立手順の一例を
説明する。先ず、素材平板（６ａ）を折曲げ成型した放
熱フィン（６）の放熱部（８）を、第１の保持板（１０
）と第２の保持板（１２）のスリット穴（１３）にそれ
ぞれ挿入し、受熱部（７）を加圧して放熱部（８）をス
リット穴（１３）にそれぞれ圧入し、第１の保持板（１
０）と放熱フィン（６）及び第２の保持板（１２）と放
熱フィン（６）とをそれぞれ一体的に結合する。次に、
両放熱フィン（８） 、 （６）の受熱部（７） 、
（７）でヒータ（１）を挟持し、第１の保持板（１０）
の折曲部（１１）（ｌｌａ）（ｌｌａ）を折曲げてかし
めることにより、ヒータ（１）、第１の保持板（１０）
と結合された放熱フィン（８）及び第２の保持板（１２
）と結合された放熱フィン（６）は一体的に結合され、
電気ヒータの組立が完了する。Next, an example of an assembly procedure of the present invention configured as described above will be explained. First, the heat dissipating part (8) of the heat dissipating fin (6), which is formed by bending a flat plate (6a), is attached to the first holding plate (10).
) and into the slit holes (13) of the second holding plate (12), pressurize the heat receiving part (7), press fit the heat dissipating part (8) into the slit holes (13), and press the heat receiving part (7) into the slit holes (13). Board (1
0) and the heat dissipation fins (6), and the second holding plate (12) and the heat dissipation fins (6) are respectively integrally coupled. next,
Both heat radiation fins (8), heat receiving part (7) of (6),
(7) sandwich the heater (1), and the first holding plate (10)
By bending and caulking the bent portions (11) (lla) (lla) of the heater (1) and the first holding plate (10),
radiating fins (8) and second holding plate (12) combined with
) is integrally combined with the heat dissipation fin (6),
Assembly of the electric heater is completed.
第５図は放熱フィンの別の実施例を示す斜視図である。FIG. 5 is a perspective view showing another embodiment of the radiation fin.
本実施例は比較的厚い例えばアルミニウム板をＬ字状に
折曲げて受熱部（７ａ）と放熱部（８ａ）を構成すると
共に、受熱部（７ａ）の上下に凸部（１７）と凹部（１
８〉を設けて複数の単位フィン（ＩＢ）を構成し、凸部
（１７）を隣接する単位フィン（１６）の凹部（１８）
にそれぞれ結合して連続した放熱フィン（６）を構成し
たものである。In this embodiment, the heat receiving part (7a) and the heat dissipating part (8a) are formed by bending a relatively thick aluminum plate into an L shape, and the heat receiving part (7a) has a convex part (17) and a concave part ( 1
8> to constitute a plurality of unit fins (IB), and the convex part (17) is connected to the concave part (18) of the adjacent unit fin (16).
are connected to each other to form a continuous radiation fin (6).
このように構成した放熱フィン（６）とヒータ（１）と
の組立手順は、前述した第１の実施例の場合と同様であ
る。The procedure for assembling the radiation fins (6) and the heater (1) configured in this way is the same as in the first embodiment described above.
なお、上記の実施例ではアルミニウム板をＬ字状に折曲
げて単位フィン（１６）を構成した場合を説明したが、
例えばダイカスト鋳造により単位フィンを構成してもよ
い。In addition, in the above embodiment, the unit fin (16) was constructed by bending an aluminum plate into an L shape.
For example, the unit fins may be formed by die casting.
上記の説明では第１の保持板（１０）に設けた折曲部（
１１，）、（ｌｌａ）により、ヒータ（１）及び放熱フ
ィン（６）が結合された第２の保持板（１２）を一体的
に結合した場合を示したが、第１の保持板（１ｏ）も第
２の保持板（１２）と同様に平板状に形成し、別に設け
たかしめ金具によりこれらを一体的に結合してもよい。In the above explanation, the bent portion (
11, ) and (lla), the second retaining plate (12) to which the heater (1) and the radiation fin (6) are combined is integrally combined, but the first retaining plate (1o ) may also be formed into a flat plate like the second holding plate (12), and these may be integrally joined by a separately provided caulking fitting.
［発明の効果］
本発明に係る放熱フィンの製造方法は、平坦部からなる
受熱部と、これから突出した放熱部を交互にかつ連続し
て形成した一連の複数個の放熱フィンをあらかじめ加工
しておき、この放熱フィンの放熱部を保持板に設けたス
リット穴に一度に圧入して一体化するようにしたので、
製造時間が短縮され、製造のための装置も簡便化されて
コストを低減することができる。[Effects of the Invention] The method for manufacturing a heat dissipation fin according to the present invention involves processing in advance a series of heat dissipation fins in which heat receiving portions consisting of flat portions and heat dissipation portions protruding from the flat portions are alternately and continuously formed. Then, the heat dissipation part of this heat dissipation fin was press-fitted into the slit hole provided in the holding plate at once to integrate it.
Manufacturing time is shortened, and manufacturing equipment is also simplified, thereby reducing costs.
また、本発明に係る放熱フィン伺き電気ヒータは、上記
の放熱フィンの受熱部にょリヒータを挟持してこれらを
一体に結合するようにしたので、放熱フィンの受熱部か
直接ヒータに圧着されるため、熱源からの熱を放率よく
放熱部に伝導することができる。また、長期間使用して
もヒータと放熱フィンの受熱部との間にすき間を生じる
ようなことはないので、長期にわたって安定した放熱効
果を得ることができる。さらに、放熱フィンの製造及び
ヒータへの取付けが容易で製造のための装置も簡便化で
きるので、コストを低減することができる。Further, in the electric heater with radiation fins according to the present invention, the heat receiving part of the radiation fin described above is sandwiched between the heaters and joined together, so that the heat receiving part of the radiation fin is directly crimped to the heater. Therefore, heat from the heat source can be conducted to the heat radiating part with good radiation efficiency. Further, even if the heater is used for a long period of time, no gap is created between the heater and the heat receiving portion of the radiation fin, so that a stable heat radiation effect can be obtained over a long period of time. Furthermore, the radiation fins can be easily manufactured and attached to the heater, and the manufacturing equipment can be simplified, so that costs can be reduced.
第１図は一部を断面で示した本発明実施例の斜視図、第
２図はその分解斜視図、第３図は保持板と放熱フィンと
の関係を示す断面図、第４図（ａ）は放熱フィンの加工
前の状態を示す平面図、（ｂ）は加工後の状態を示す要
部斜視図、第５図は放熱フィンの他の実施例の斜視図、
第６図は（ａ）は−部を断面で示した従来の放熱フィン
付き電気ヒータの一例の斜視図、（ｂ）はそのヒータ部
分の斜視図である。
図において、（１）はヒータ、（４） 、 （４ａ）は
絶縁マイカ、（８）は放熱フィン、（６ａ）は素材平板
、（ｅｂ）。
（６ｃ）はミシン目、（７）は受熱部、（８）は放熱部
、（１０） 、 （１２）は保持板、（１３）はスリッ
ト穴である。
なお、図中同一符号は同一、又は相当部分を示す。FIG. 1 is a perspective view of an embodiment of the present invention partially shown in cross section, FIG. 2 is an exploded perspective view thereof, FIG. ) is a plan view showing the state of the heat dissipation fin before processing, (b) is a perspective view of the main part showing the state after processing, and FIG. 5 is a perspective view of another embodiment of the heat dissipation fin.
In FIG. 6, (a) is a perspective view of an example of a conventional electric heater with heat dissipation fins, with the minus portion shown in cross section, and (b) is a perspective view of the heater portion. In the figure, (1) is a heater, (4) and (4a) are insulating mica, (8) is a radiation fin, (6a) is a flat plate of material, and (eb). (6c) is a perforation, (7) is a heat receiving part, (8) is a heat radiating part, (10) and (12) are retaining plates, and (13) is a slit hole. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (3)
谷折部と該受熱部から突出した放熱部を形成する山折部
とにミシン目を設け、該ミシン目に沿って折曲げ成型し
て受熱部と放熱部とを交互にかつ連続して形成し、前記
放熱部を保持板に設けたスリット穴に圧入したことを特
徴とする放熱フィンの製造方法。(1) Perforations are provided in a metal plate with good thermal conductivity, at the valley fold that forms a flat heat receiving part and at the mountain fold that forms a heat radiating part that protrudes from the heat receiving part, and the plate is bent along the perforation. 1. A method of manufacturing a heat dissipation fin, characterized in that heat receiving parts and heat dissipation parts are formed alternately and continuously by molding, and the heat dissipation parts are press-fitted into slit holes provided in a holding plate.
して平坦な受熱部とこれから突出した放熱部を設けると
共に、前記受熱部の上下に凸部と凹部とを設けて単位フ
ィンを構成し、該単位フィンの凸部を隣接する単位フィ
ンの凹部に順次嵌合して連続した放熱フィンを構成し、
該放熱フィンの放熱部を保持板に設けたスリット穴に圧
入したことを特徴とする放熱フィンの製造方法。(2) A metal material with good thermal conductivity is formed into a substantially L-shape, and a flat heat receiving part and a heat radiating part protrude from the flat heat receiving part are provided, and a convex part and a concave part are provided above and below the heat receiving part to form a unit fin. forming a continuous heat dissipation fin by sequentially fitting the convex part of the unit fin into the concave part of an adjacent unit fin,
A method of manufacturing a heat dissipation fin, characterized in that the heat dissipation part of the heat dissipation fin is press-fitted into a slit hole provided in a holding plate.
好な金属材料からなり、平坦な受熱部と該受熱部から突
出した放熱部とが交互に形成された放熱フィンと、 該放熱フィンの放熱部が圧入されるスリット穴が設けら
れた一対の保持板とを有し、 該一対の保持板のスリット穴に前記放熱フィンの放熱部
をそれぞれ圧入し、前記放熱フィンの受熱部により前記
ヒータを挟持してこれらを一体に結合したことを特徴と
する放熱フィン付き電気ヒータ。(3) A heater with insulating plates arranged on both sides, and a heat radiation fin made of a metal material with good heat conduction and having a flat heat receiving part and a heat radiation part protruding from the heat receiving part alternately formed; a pair of retaining plates provided with slit holes into which the heat dissipating parts of the heat dissipating fins are press-fitted; the heat dissipating parts of the heat dissipating fins are press-fitted into the slit holes of the pair of retaining plates, and the heat receiving parts of the heat dissipating fins are press-fitted; An electric heater with heat dissipation fins, characterized in that the heater is sandwiched between the two and joined together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11751690A JPH07105265B2 (en) | 1990-05-09 | 1990-05-09 | Method for manufacturing heat radiation fin and electric heater with heat radiation fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11751690A JPH07105265B2 (en) | 1990-05-09 | 1990-05-09 | Method for manufacturing heat radiation fin and electric heater with heat radiation fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0417546A true JPH0417546A (en) | 1992-01-22 |
| JPH07105265B2 JPH07105265B2 (en) | 1995-11-13 |
Family
ID=14713703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11751690A Expired - Lifetime JPH07105265B2 (en) | 1990-05-09 | 1990-05-09 | Method for manufacturing heat radiation fin and electric heater with heat radiation fin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07105265B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014222781A (en) * | 2014-08-12 | 2014-11-27 | 三菱電機株式会社 | Positive characteristic thermistor device |
| CN107655060A (en) * | 2017-09-30 | 2018-02-02 | 广东美的环境电器制造有限公司 | Warmer |
-
1990
- 1990-05-09 JP JP11751690A patent/JPH07105265B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014222781A (en) * | 2014-08-12 | 2014-11-27 | 三菱電機株式会社 | Positive characteristic thermistor device |
| CN107655060A (en) * | 2017-09-30 | 2018-02-02 | 广东美的环境电器制造有限公司 | Warmer |
| CN107655060B (en) * | 2017-09-30 | 2020-10-30 | 广东美的环境电器制造有限公司 | Heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07105265B2 (en) | 1995-11-13 |
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